package com.djl.mymall.config;


import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
 * Swagger2API文档的配置
 */
@Configuration
@EnableSwagger2
public class Swagger2Config {
    @Bean
    public Docket createRestApi(){


        return new Docket(DocumentationType.SWAGGER_2)
//                .apiInfo(apiInfo())
//                .select()
//                //为当前包下controller生成API文档
//                .apis(RequestHandlerSelectors.basePackage("com.djl.mymall"))
//
//                //为有@Api注解的Controller生成API文档
////                .apis(RequestHandlerSelectors.withClassAnnotation(Api.class))
//                //为有@ApiOperation注解的方法生成API文档
////                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
//
//                .paths(PathSelectors.any())
//                .build()
//                //添加登录认证
//                .securitySchemes(securitySchemes())//安全计划
//                .securityContexts(securityContexts());//安全上下文

        .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.djl.mymall"))
                .paths(PathSelectors.any())
                .build()
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts());
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("SwaggerUI演示")
                .description("mall-tiny")
                .contact("macro")
                .version("1.0")
                .build();
    }



    private List<ApiKey> securitySchemes(){
        //设置请求头信息
        List<ApiKey> result=new ArrayList<>();
        ApiKey apiKey=new ApiKey("Authorization","Authorization","header");
        result.add(apiKey);
        return result;
    }
    private List<SecurityContext> securityContexts(){
        List<SecurityContext> result=new ArrayList< >();
        result.add(getContextByPath("/brand/.*"));
        return result;
    }
    private SecurityContext getContextByPath(String pathRegex){
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }
    private  List<SecurityReference> defaultAuth(){
        List<SecurityReference> result =new ArrayList<>();
        AuthorizationScope authorizationScope=new AuthorizationScope("global","accessEverything");
        AuthorizationScope[] authorizationScopes=new AuthorizationScope[1];
        authorizationScopes[0]=authorizationScope;
        result.add(new SecurityReference("Authorization",authorizationScopes));
        return result;
    }

}
